About HANTZSCHE E
About Central Inst. Electron Physics Academy of Sciences of the GDR
About JUETTNER B
About Central Inst. Electron Physics Academy of Sciences of the GDR
About PURSCH H
About Central Inst. Electron Physics Academy of Sciences of the GDR
About Journal of Physics. D. Applied Physics
About vacuum discharge
About Gas discharges
About 真空
About アーク
About 陰極点
About ランダムウォーク